Retry didn't occurred #762

Running on Python 39 Cloud function runtime

Lib used
google-cloud-storage==2.1.0
google-auth==1.35.0

("{'code': 503, 'message': 'The service is currently unavailable.', 'status': 'UNAVAILABLE'}: None", {'error': {'code': 503, 'message': 'The service is currently unavailable.', 'status': 'UNAVAILABLE'}}) Traceback (most recent call last): File "/workspace/common/common.py", line 125, in wrapper response = wrapped_func(*args, **kwargs) File "/workspace/main.py", line 180, in fn tenant_services.activate_client(gcs=True, stage_bucket=True) File "/workspace/common/services.py", line 188, in activate_client self.stage_bucket: storage.Bucket = gcs.get_bucket(<bucket_name>) File "/layers/google.python.pip/pip/lib/python3.9/site-packages/google/cloud/storage/client.py", line 780, in get_bucket bucket.reload( File "/layers/google.python.pip/pip/lib/python3.9/site-packages/google/cloud/storage/bucket.py", line 1029, in reload super(Bucket, self).reload( File "/layers/google.python.pip/pip/lib/python3.9/site-packages/google/cloud/storage/_helpers.py", line 232, in reload api_response = client._get_resource( File "/layers/google.python.pip/pip/lib/python3.9/site-packages/google/cloud/storage/client.py", line 364, in _get_resource return self._connection.api_request( File "/layers/google.python.pip/pip/lib/python3.9/site-packages/google/cloud/storage/_http.py", line 80, in api_request return call() File "/layers/google.python.pip/pip/lib/python3.9/site-packages/google/api_core/retry.py", line 286, in retry_wrapped_func return retry_target( File "/layers/google.python.pip/pip/lib/python3.9/site-packages/google/api_core/retry.py", line 189, in retry_target return target() File "/layers/google.python.pip/pip/lib/python3.9/site-packages/google/cloud/_http/__init__.py", line 469, in api_request response = self._make_request( File "/layers/google.python.pip/pip/lib/python3.9/site-packages/google/cloud/_http/__init__.py", line 333, in _make_request return self._do_request( File "/layers/google.python.pip/pip/lib/python3.9/site-packages/google/cloud/_http/__init__.py", line 371, in _do_request return self.http.request( File "/layers/google.python.pip/pip/lib/python3.9/site-packages/google/auth/transport/requests.py", line 476, in request self.credentials.before_request(auth_request, method, url, request_headers) File "/layers/google.python.pip/pip/lib/python3.9/site-packages/google/auth/credentials.py", line 133, in before_request self.refresh(request) File "/layers/google.python.pip/pip/lib/python3.9/site-packages/google/oauth2/service_account.py", line 408, in refresh access_token, expiry, _ = _client.jwt_grant( File "/layers/google.python.pip/pip/lib/python3.9/site-packages/google/oauth2/_client.py", line 193, in jwt_grant response_data = _token_endpoint_request(request, token_uri, body) File "/layers/google.python.pip/pip/lib/python3.9/site-packages/google/oauth2/_client.py", line 165, in _token_endpoint_request _handle_error_response(response_data) File "/layers/google.python.pip/pip/lib/python3.9/site-packages/google/oauth2/_client.py", line 60, in _handle_error_response raise exceptions.RefreshError(error_details, response_data) google.auth.exceptions.RefreshError: ("{'code': 503, 'message': 'The service is currently unavailable.', 'status': 'UNAVAILABLE'}: None", {'error': {'code': 503, 'message': 'The service is currently unavailable.', 'status': 'UNAVAILABLE'}})